10 files changed, 178 insertions, 0 deletions
diff --git a/tests/ui/use/use-mod/use-mod-2.rs b/tests/ui/use/use-mod/use-mod-2.rs
new file mode 100644
index 000000000..9373a62ba
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-2.rs
@@ -0,0 +1,11 @@
+mod foo {
+    use self::{self};
+    //~^ ERROR unresolved import `self` [E0432]
+    //~| no `self` in the root
+
+    use super::{self};
+    //~^ ERROR unresolved import `super` [E0432]
+    //~| no `super` in the root
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-mod/use-mod-2.stderr b/tests/ui/use/use-mod/use-mod-2.stderr
new file mode 100644
index 000000000..843767849
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-2.stderr
@@ -0,0 +1,15 @@
+error[E0432]: unresolved import `self`
+  --> $DIR/use-mod-2.rs:2:16
+   |
+LL |     use self::{self};
+   |                ^^^^ no `self` in the root
+
+error[E0432]: unresolved import `super`
+  --> $DIR/use-mod-2.rs:6:17
+   |
+LL |     use super::{self};
+   |                 ^^^^ no `super` in the root
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0432`.
diff --git a/tests/ui/use/use-mod/use-mod-3.rs b/tests/ui/use/use-mod/use-mod-3.rs
new file mode 100644
index 000000000..0afa486b9
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-3.rs
@@ -0,0 +1,12 @@
+use foo::bar::{ //~ ERROR module `bar` is private
+    self
+};
+use foo::bar::{ //~ ERROR module `bar` is private
+    Bar
+};
+
+mod foo {
+    mod bar { pub type Bar = isize; }
+}
+
+fn main() {}
diff --git a/tests/ui/use/use-mod/use-mod-3.stderr b/tests/ui/use/use-mod/use-mod-3.stderr
new file mode 100644
index 000000000..1b12b3c6f
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-3.stderr
@@ -0,0 +1,27 @@
+error[E0603]: module `bar` is private
+  --> $DIR/use-mod-3.rs:1:10
+   |
+LL | use foo::bar::{
+   |          ^^^ private module
+   |
+note: the module `bar` is defined here
+  --> $DIR/use-mod-3.rs:9:5
+   |
+LL |     mod bar { pub type Bar = isize; }
+   |     ^^^^^^^
+
+error[E0603]: module `bar` is private
+  --> $DIR/use-mod-3.rs:4:10
+   |
+LL | use foo::bar::{
+   |          ^^^ private module
+   |
+note: the module `bar` is defined here
+  --> $DIR/use-mod-3.rs:9:5
+   |
+LL |     mod bar { pub type Bar = isize; }
+   |     ^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0603`.
diff --git a/tests/ui/use/use-mod/use-mod-4.rs b/tests/ui/use/use-mod/use-mod-4.rs
new file mode 100644
index 000000000..46ae8ddad
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-4.rs
@@ -0,0 +1,7 @@
+use foo::self; //~ ERROR unresolved import `foo`
+//~^ ERROR `self` imports are only allowed within a { } list
+
+use std::mem::self;
+//~^ ERROR `self` imports are only allowed within a { } list
+
+fn main() {}
diff --git a/tests/ui/use/use-mod/use-mod-4.stderr b/tests/ui/use/use-mod/use-mod-4.stderr
new file mode 100644
index 000000000..0b4fbadb4
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-4.stderr
@@ -0,0 +1,42 @@
+error[E0429]: `self` imports are only allowed within a { } list
+  --> $DIR/use-mod-4.rs:1:8
+   |
+LL | use foo::self;
+   |        ^^^^^^
+   |
+help: consider importing the module directly
+   |
+LL - use foo::self;
+LL + use foo;
+   |
+help: alternatively, use the multi-path `use` syntax to import `self`
+   |
+LL | use foo::{self};
+   |          +    +
+
+error[E0429]: `self` imports are only allowed within a { } list
+  --> $DIR/use-mod-4.rs:4:13
+   |
+LL | use std::mem::self;
+   |             ^^^^^^
+   |
+help: consider importing the module directly
+   |
+LL - use std::mem::self;
+LL + use std::mem;
+   |
+help: alternatively, use the multi-path `use` syntax to import `self`
+   |
+LL | use std::mem::{self};
+   |               +    +
+
+error[E0432]: unresolved import `foo`
+  --> $DIR/use-mod-4.rs:1:5
+   |
+LL | use foo::self;
+   |     ^^^^^^^^^ no `foo` in the root
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0429, E0432.
+For more information about an error, try `rustc --explain E0429`.
diff --git a/tests/ui/use/use-mod/use-mod-5.rs b/tests/ui/use/use-mod/use-mod-5.rs
new file mode 100644
index 000000000..df5b423ec
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-5.rs
@@ -0,0 +1,13 @@
+mod foo {
+    pub mod bar {
+        pub fn drop() {}
+    }
+}
+
+use foo::bar::self;
+//~^ ERROR `self` imports are only allowed within a { } list
+
+fn main() {
+    // Because of error recovery this shouldn't error
+    bar::drop();
+}
diff --git a/tests/ui/use/use-mod/use-mod-5.stderr b/tests/ui/use/use-mod/use-mod-5.stderr
new file mode 100644
index 000000000..62859e261
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-5.stderr
@@ -0,0 +1,19 @@
+error[E0429]: `self` imports are only allowed within a { } list
+  --> $DIR/use-mod-5.rs:7:13
+   |
+LL | use foo::bar::self;
+   |             ^^^^^^
+   |
+help: consider importing the module directly
+   |
+LL - use foo::bar::self;
+LL + use foo::bar;
+   |
+help: alternatively, use the multi-path `use` syntax to import `self`
+   |
+LL | use foo::bar::{self};
+   |               +    +
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0429`.
diff --git a/tests/ui/use/use-mod/use-mod-6.rs b/tests/ui/use/use-mod/use-mod-6.rs
new file mode 100644
index 000000000..1f8777dac
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-6.rs
@@ -0,0 +1,13 @@
+mod foo {
+    pub mod bar {
+        pub fn drop() {}
+    }
+}
+
+use foo::bar::self as abc;
+//~^ ERROR `self` imports are only allowed within a { } list
+
+fn main() {
+    // Because of error recovery this shouldn't error
+    abc::drop();
+}
diff --git a/tests/ui/use/use-mod/use-mod-6.stderr b/tests/ui/use/use-mod/use-mod-6.stderr
new file mode 100644
index 000000000..2d2c90067
--- /dev/null
+++ b/tests/ui/use/use-mod/use-mod-6.stderr
@@ -0,0 +1,19 @@
+error[E0429]: `self` imports are only allowed within a { } list
+  --> $DIR/use-mod-6.rs:7:13
+   |
+LL | use foo::bar::self as abc;
+   |             ^^^^^^
+   |
+help: consider importing the module directly
+   |
+LL - use foo::bar::self as abc;
+LL + use foo::bar as abc;
+   |
+help: alternatively, use the multi-path `use` syntax to import `self`
+   |
+LL | use foo::bar::{self as abc};
+   |               +           +
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0429`.